disease incidence at an average temperature of around 6 to 7 °C during that period. Soil moisture between field capacity and permanent wilting point…
Predatory mites multiply in the sachet and disperse into the crop over a period of several weeks. They pierce the prey with their sucking mouthparts…
support systems has been build. This system warns growers about conducive periods and when they are to be expected. Ascospores are released at heavy…
mostly at some elevation and after prolonged snow cover which ensures a period of low soil temperatures. Damage symptoms Tilletia controversa causes…
lesions appear, that can be seen through the skin. The Great Famine was a period of mass starvation caused by this disease which ravaged potato crops…
mites : egg, larva, protonymph, deutonymph and adult, except for the resting period in the larval and nymphal stages. On plants, the oval eggs are…
from 0.25-2 per m 2 /release. Releases should be repeated weekly during the period when aphid infestation is expected. Consult a Koppert advisor or a…
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